snowpack

snowpack All Updates

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May 30, 2019
1 year 7 months Taking care of the case where the chosen time step is smaller than, or equal to, 60 seconds, in which case adaptive time stepping should not be active.
Commit 1759, by Nander Wever
1 year 7 months Making it default to redo the heat equation with a smaller time step upon non-convergence, and use the key ALLOW_ADAPTIVE_TIMESTEPPING exclusively to prematurely reduce the time step to reduce spurious oscillations near the surface. So setting ALLOW…
Commit 1758, by Nander Wever
May 28, 2019
1 year 7 months For sea ice module: tracking total flooding when using the Bucket scheme.
Commit 1757, by Nander Wever
Apr 16, 2019
1 year 9 months LEHNING_1 albedo could run into a floating point exception in very wet conditions, due to Alb1 < -1.
Commit 1756, by Nander Wever
1 year 9 months Typo.
Commit 1755, by Nander Wever
Apr 15, 2019
1 year 9 months Improving consistency in dealing with rounding errors in phase change.
Commit 1754, by Nander Wever
Apr 12, 2019
1 year 9 months Adding the missing case of mk 9 for a water layer. Note that otherwise, a<0, such that the cast to unsigned short int experiences an underflow and type >> 1000.
Commit 1753, by Nander Wever
1 year 9 months Improving documentation.
Commit 1752, by Nander Wever
Apr 9, 2019
1 year 9 months Setting initial snow salinity to 0 and disable the zero flux upper boundary condition for advection. Both modifications are for numerical stability, but it is not the desired setting for the model.
Commit 1751, by Nander Wever
1 year 9 months Adding comments to understand the function call.
Commit 1750, by Nander Wever
1 year 9 months Introducing stricter limits on the van Genuchten parameters for sea ice, for the sake of numerical stability. Additionally removing some obsolete code.
Commit 1749, by Nander Wever
1 year 9 months Sea ice: introducing special condition to favour only evaporation, not necessarily condensation when solving richards equation, to prevent instabilities.
Commit 1748, by Nander Wever
1 year 9 months For sea ice: when mass is removed from the domain, adjust the pressure head in saturated conditions, to reflect the new pressure distribution.
Commit 1747, by Nander Wever
Apr 3, 2019
1 year 9 months Correct saturated pressure heads in case of element splitting.
Commit 1746, by Nander Wever
Apr 1, 2019
1 year 9 months Improvements with global (i.e., class-wide) switches for the boundary conditions, and attempts to improve the explicit scheme, but the results of that remain somewhat unsatisfying.
Commit 1745, by Nander Wever
1 year 9 months Measured snow height could get below ground level when it was in fact not available. But it's not clear why measured snow height needs to be corrected, as in the next time step, the new measured hs value will be assigned. So only routines following …
Commit 1744, by Nander Wever
Mar 29, 2019
1 year 9 months Better search strategies
Commit 1743, by Mathias Bavay
1 year 9 months Better search priorities
Commit 1742, by Mathias Bavay
Mar 21, 2019
1 year 10 months Decreasing convergence thresholds for Richards solver, to improve the stability of sea ice simulations.
Commit 1741, by Nander Wever
1 year 10 months Bug fix for SafeMode (SafeMode 1 and 2 could never work because mass1 was set to 0 and never recalculated). Also slight improvement.
Commit 1740, by Nander Wever

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